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3-??-1,3-????

3-??-1,3-????
3-??-1,3-???? ??? ???
?? ??:
598-25-4
???:
3-??-1,3-????
???(??):
3-??-1,3-????;3-??-1,2-?????;3-??-1,2-????
???:
3-METHYL-1,2-BUTADIENE
???(??):
CH2=C=C(CH3)2;Dimethylallene;1,1-DIMETHYLALLENE;3,3-DIMETHYLALLENE;unsym-dimthylallene;unsym-Dimethylallene;1,1-Dimethylallylene;3-METHYL-1,2-BUTADIENE;2-Methyl-2,3-butadiene;3-methyl-buta-1,2-diene
CBNumber:
CB6244808
???:
C5H8
??? ??:
68.12
MOL ??:
598-25-4.mol
MSDS ??:
SDS

3-??-1,3-???? ??

???
-148 °C (lit.)
?? ?
40-41 °C (lit.)
??
0.694 g/mL at 25 °C (lit.)
???
6.87 psi ( 20 °C)
???
n20/D 1.419(lit.)
???
10 °F
?? ??
2-8°C
???
???, ??, ???, ???? ?????.
??? ??
??? ??
??
?? ?? ?? ??
??
Air Sensitive
BRN
1697090
CAS ??????
598-25-4(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? F,Xn
?? ???? ?? 11-36/37/38-65
????? 16-26-36-62
????(UN No.) UN 3295 3/PG 2
WGK ?? 3
F ?????? 10-23
HS ?? 2901.29.5000
?? ?? 3
???? II
???? ?? KE-23527
????(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H225 ???? ?? ? ?? ??? ?? ?? 2 ?? GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H304 ??? ??? ???? ???? ? ?? ?? ????? ?? 1 ?? GHS hazard pictograms
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P210 ?·???·??·????? ????? - ?? ???.
P233 ??? ??? ?????. ??? ??? ? ?? ?? ??? ???? ?????.
P301+P310 ???? ?? ????(??)? ??? ????.
P303+P361+P353 ??(?? ????)? ??? ??? ?? ??? ??? ????? ??? ?? ????/?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P331 ??? ?? ???.
NFPA 704
3
3 0

3-??-1,3-???? C??? ??, ??, ??

??

3-Methyl-1,2-butadiene has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

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